Kernel Live Patching
modulename: livepatch.ko
configname: CONFIG_LIVEPATCH
Linux Kernel Configuration
└─>Processor type and features
└─>Kernel Live Patching
In linux kernel since version 4.2 (release Date: 2015-08-30)
Say Y here if you want to support kernel live patching.
This option has no runtime impact until a kernel "patch"
module uses the interface provided by this option to register
a patch, causing calls to patched functions to be redirected
to new function code contained in the patch module.
This option has no runtime impact until a kernel "patch"
module uses the interface provided by this option to register
a patch, causing calls to patched functions to be redirected
to new function code contained in the patch module.
source code:
depends
CONFIG_DYNAMIC_FTRACE_WITH_REGSCONFIG_HAVE_LIVEPATCH
CONFIG_KALLSYMS_ALL
CONFIG_MODULES
CONFIG_SYSFS
NOT CONFIG_TRIM_UNUSED_KSYMS